The Apevie Simulator Seat Slider is a must-have accessory for flight simulator cockpit chairs. It is made of high-quality aluminum alloy and has a durable black anodized finish. The slider has a length of 33cm/13 inches and is compatible with most flight simulator chairs with a mounting hole diameter of 3cm/1.2 inches. The slider features a smooth sliding action and can be adjusted to your desired position, making it comfortable for long periods of use. The package includes 1 x Simulator Seat Slider and 4 x Mounting Screws and 4 nuts.